The lake bed in 3-D: deep basin, drop-offs and shoreline. Shape estimated, not for navigation. Spot 1 (point drop-off) is open for everyone; the other 4 come with LakeScope PRO. Full screen
Alturas Lake
Blaine County, Idaho · about 810 acres (1.3 sq mi)
47°F water, windy Friday (15 mph S).
About Alturas Lake
Alturas Lake is a lake in Blaine County, Idaho, covering about 810 acres.
It stretches about 1.7 miles end to end and its shoreline adds up to about 4.8 miles. Its surface is about 7,020 ft above sea level. Sun Valley is about 29 miles southeast. The closest city is Boise, about 69 miles away.
- Size
- About 810 acres (1.3 sq mi)
- Shoreline
- About 4.8 miles
- End to end
- About 1.7 miles
- Elevation
- About 7,020 ft
- County
- Blaine County
The lake from above
Best fishing times
Friday Fair
- 7:00 am – 9:15 amsunrise · wind 10 mph
- 3:30 pm – 5:15 pm bestsunset, moon overhead · wind 13 mph
Saturday Good
- 7:00 am – 9:15 amsunrise · wind 5 mph
- 4:00 pm – 5:45 pm bestsunset, moon overhead · wind 5 mph
Based on sun and moon times and the wind forecast. A guide, not a promise. The app shows the whole week.
Fish to expect
Expect the usual Idaho mix for a lake this size: trout and yellow perch. The state fish and wildlife agency lists what is stocked and the rules for this lake. With the surface at 47°F, the notes below say which of them should be biting.
- GoodTrout
Good range. Near the surface and along shorelines.
- GoodYellow perch
Schooled near weed edges and soft bottom.
From today's water temperature and the season. A guide, not a promise.
Fishing spots
- 1Point drop-off
The bottom falls away fast off this point; fish rest deep and move up the slope to feed.
- 2
- 3
- 4
- 5
4 more spots with LakeScope PRO: fish, depth band, water temperature, best time and bait for each.
Picked from the shape of the lake bed. A guide, not a promise.
Water temperature
At the surface, seen .
Water level
No daily level reading for this lake.
Ice
Open water
Ice thickness is an estimate from air temperature, not a measurement. Check the ice yourself before going on it.
Weather and wind
Sunrise 7:32 am · sunset 5:14 pm · waxing crescent moon (lake time).
Towns and places to stay near Alturas Lake
- Sun Valleyabout 29 mi southeast
- Ketchumabout 29 mi southeast
- Boisenearest city, about 69 mi west
Prices and availability come from booking partners; we may earn a commission at no cost to you.
Questions about Alturas Lake
What fish are in Alturas Lake?
Lakes like Alturas Lake usually hold trout and yellow perch. Check the state fish and wildlife agency for stocking and limits.
How deep is Alturas Lake?
We have no published depth for this lake. The 3-D view gives an estimated shape of the bed: where the deep basin and the drop-offs are. Not for navigation.
How big is Alturas Lake?
About 810 acres, with about 4.8 miles of shoreline.
What town is near Alturas Lake?
Sun Valley is about 29 miles southeast; Ketchum is about 29 miles southeast.
What is the water temperature at Alturas Lake today?
The surface was about 47°F on the latest clear reading. The page updates every day.
Alturas Lake on your phone
The whole week of bite times, lake alerts and the 3-D view, every morning.